1 /*======================================================================
3 A driver for Adaptec AHA152X-compatible PCMCIA SCSI cards.
5 This driver supports the Adaptec AHA-1460, the New Media Bus
6 Toaster, and the New Media Toast & Jam.
8 aha152x_cs.c 1.54 2000/06/12 21:27:25
10 The contents of this file are subject to the Mozilla Public
11 License Version 1.1 (the "License"); you may not use this file
12 except in compliance with the License. You may obtain a copy of
13 the License at http://www.mozilla.org/MPL/
15 Software distributed under the License is distributed on an "AS
16 IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
17 implied. See the License for the specific language governing
18 rights and limitations under the License.
20 The initial developer of the original code is David A. Hinds
21 <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
22 are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
24 Alternatively, the contents of this file may be used under the
25 terms of the GNU General Public License version 2 (the "GPL"), in which
26 case the provisions of the GPL are applicable instead of the
27 above. If you wish to allow the use of your version of this file
28 only under the terms of the GPL and not to allow others to use
29 your version of this file under the MPL, indicate your decision
30 by deleting the provisions above and replace them with the notice
31 and other provisions required by the GPL. If you do not delete
32 the provisions above, a recipient may use your version of this
33 file under either the MPL or the GPL.
35 ======================================================================*/
37 #include <linux/module.h>
38 #include <linux/init.h>
39 #include <linux/kernel.h>
40 #include <linux/slab.h>
41 #include <linux/string.h>
42 #include <linux/ioport.h>
43 #include <scsi/scsi.h>
44 #include <linux/major.h>
45 #include <linux/blkdev.h>
46 #include <scsi/scsi_ioctl.h>
49 #include <scsi/scsi_host.h>
52 #include <pcmcia/cs_types.h>
53 #include <pcmcia/cs.h>
54 #include <pcmcia/cistpl.h>
55 #include <pcmcia/ds.h>
58 /*====================================================================*/
60 /* Parameters that can be set with 'insmod' */
62 /* SCSI bus setup options */
63 static int host_id = 7;
64 static int reconnect = 1;
65 static int parity = 1;
66 static int synchronous = 1;
67 static int reset_delay = 100;
68 static int ext_trans = 0;
70 module_param(host_id, int, 0);
71 module_param(reconnect, int, 0);
72 module_param(parity, int, 0);
73 module_param(synchronous, int, 0);
74 module_param(reset_delay, int, 0);
75 module_param(ext_trans, int, 0);
77 MODULE_LICENSE("Dual MPL/GPL");
79 /*====================================================================*/
81 typedef struct scsi_info_t {
82 struct pcmcia_device *p_dev;
84 struct Scsi_Host *host;
87 static void aha152x_release_cs(struct pcmcia_device *link);
88 static void aha152x_detach(struct pcmcia_device *p_dev);
89 static int aha152x_config_cs(struct pcmcia_device *link);
91 static struct pcmcia_device *dev_list;
93 static int aha152x_probe(struct pcmcia_device *link)
97 dev_dbg(&link->dev, "aha152x_attach()\n");
99 /* Create new SCSI device */
100 info = kzalloc(sizeof(*info), GFP_KERNEL);
101 if (!info) return -ENOMEM;
105 link->io.NumPorts1 = 0x20;
106 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
107 link->io.IOAddrLines = 10;
108 link->conf.Attributes = CONF_ENABLE_IRQ;
109 link->conf.IntType = INT_MEMORY_AND_IO;
110 link->conf.Present = PRESENT_OPTION;
112 return aha152x_config_cs(link);
113 } /* aha152x_attach */
115 /*====================================================================*/
117 static void aha152x_detach(struct pcmcia_device *link)
119 dev_dbg(&link->dev, "aha152x_detach\n");
121 aha152x_release_cs(link);
123 /* Unlink device structure, free bits */
125 } /* aha152x_detach */
127 /*====================================================================*/
129 static int aha152x_config_check(struct pcmcia_device *p_dev,
130 cistpl_cftable_entry_t *cfg,
131 cistpl_cftable_entry_t *dflt,
135 /* For New Media T&J, look for a SCSI window */
136 if (cfg->io.win[0].len >= 0x20)
137 p_dev->io.BasePort1 = cfg->io.win[0].base;
138 else if ((cfg->io.nwin > 1) &&
139 (cfg->io.win[1].len >= 0x20))
140 p_dev->io.BasePort1 = cfg->io.win[1].base;
141 if ((cfg->io.nwin > 0) &&
142 (p_dev->io.BasePort1 < 0xffff)) {
143 if (!pcmcia_request_io(p_dev, &p_dev->io))
149 static int aha152x_config_cs(struct pcmcia_device *link)
151 scsi_info_t *info = link->priv;
152 struct aha152x_setup s;
154 struct Scsi_Host *host;
156 dev_dbg(&link->dev, "aha152x_config\n");
158 ret = pcmcia_loop_config(link, aha152x_config_check, NULL);
165 ret = pcmcia_request_configuration(link, &link->conf);
169 /* Set configuration options for the aha152x driver */
170 memset(&s, 0, sizeof(s));
171 s.conf = "PCMCIA setup";
172 s.io_port = link->io.BasePort1;
175 s.reconnect = reconnect;
177 s.synchronous = synchronous;
178 s.delay = reset_delay;
180 s.ext_trans = ext_trans;
182 host = aha152x_probe_one(&s);
184 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
188 sprintf(info->node.dev_name, "scsi%d", host->host_no);
189 link->dev_node = &info->node;
195 aha152x_release_cs(link);
199 static void aha152x_release_cs(struct pcmcia_device *link)
201 scsi_info_t *info = link->priv;
203 aha152x_release(info->host);
204 pcmcia_disable_device(link);
207 static int aha152x_resume(struct pcmcia_device *link)
209 scsi_info_t *info = link->priv;
211 aha152x_host_reset_host(info->host);
216 static struct pcmcia_device_id aha152x_ids[] = {
217 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
218 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
219 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
220 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
221 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
224 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
226 static struct pcmcia_driver aha152x_cs_driver = {
227 .owner = THIS_MODULE,
229 .name = "aha152x_cs",
231 .probe = aha152x_probe,
232 .remove = aha152x_detach,
233 .id_table = aha152x_ids,
234 .resume = aha152x_resume,
237 static int __init init_aha152x_cs(void)
239 return pcmcia_register_driver(&aha152x_cs_driver);
242 static void __exit exit_aha152x_cs(void)
244 pcmcia_unregister_driver(&aha152x_cs_driver);
245 BUG_ON(dev_list != NULL);
248 module_init(init_aha152x_cs);
249 module_exit(exit_aha152x_cs);